| article html file updated | 6 February 2020 10:58 CET | Update | https://www.mdpi.com/1660-3397/12/8/4274 |
| article html file updated | 7 May 2019 11:05 CEST | Update | - |
| article html file updated | 21 March 2019 21:40 CET | Update | - |
| article html file updated | 20 August 2015 13:36 CEST | Update | - |
| article html file updated | 27 August 2014 11:24 CEST | Original file | - |
| article xml file uploaded | 27 August 2014 11:24 CEST | Original file | https://www.mdpi.com/1660-3397/12/8/4274/xml |
| article pdf uploaded. | 24 July 2014 11:50 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/8/4274/pdf |
